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參數(shù)資料
| 型號： | TDA7512 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | TQFP-64 |
| 文件頁數(shù)： | 4/43頁 |
| 文件大?。?/td> | 833K |
| 代理商： | TDA7512 |
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TDA7512
12/42
Table 4. ELECTRICAL CHARACTERISTICS
Tamb = +25°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = VCCMIX2 =8.5V, fRF =1MHz, fMOD = 400Hz at
30% AMfIF1 = 10.7MHz, fIF2 =450kHz, fxtal = 10.25MHz, in application circuit, (unless otherwise noted,
VINRF antenna input).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Global
VANT
min
Max. sensitivity
Ref.: VINRF = 60dB
V,
19
dB
V
VANT us
Usable sensitivity
(S+N)/N = 20 dB
30
26
dB
V
VANT IF2 AGC Range
Ref.: VINRF = 60dB
V,
56
dB
(S+N)/N
Signal to Noise Ratio
Ref.: VINRF = 60ddB
V
50
60
dB
aIF
IF rejection
Ref: VINRF = 60dBV,
IF1 = 10.7MHz
IF2 = 450kHz
100
dB
fAF
Frequency response
Ref.: VINRF = 60dB
V,
VAF = -3 dB
3.6
kHz
THD
Total Harmonic Distortion
VINRF = 60dB
V, m = 0.8
m = 0.3
VINRF = 120 dbV, m = 0.8
m = 0.3
0.5
0.3
1.0
0.3
%
V37
Output level
VINRF = 60dB
V
220
mVRM
S
V34
Output level
VINRF = 60dB
, m=off
190
mVRM
S
V3
Min. RF AGC threshold
Max. RF AGC threshold
WAGC
90
109
dB
V
dB
V
V58
Min. IF AGC threshold
Max. IF AGC threshold
WAGC
90
109
dB
V
dB
V
V58
Min. DAGC threshold
Max. DAGC threshold
DAGC
74
96
dB
V
dB
V
|I40max|
AGC2 charge current
seek
160
A
CCR
Charge current ratio
seek/seek off
30
AGC Voltage Driver Output
V4
Max. AGC output voltage
3.5
V
V4
Min. AGC output voltage
0.5
V
| I4 |
AGC current
100
A
AGC PIN Diode Driver Output
I5
AGC driver current
-2
mA
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